Home / 98,666.10-147,999.15-56,529.90

Finding the Fourth Proportional to 98,666.10, 147,999.15 and 56,529.90

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Solution

The fourth proportional to 98,666.10, 147,999.15 and 56,529.90 is: 84,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.10 : 147,999.15 = 56,529.90 : x
  2. Step 2: Convert to fraction form
    98,666.10/147,999.15 = 56,529.90/x
  3. Step 3: Cross multiply
    98,666.10x = 147,999.15 × 56,529.90
  4. Step 4: Simplify right side
    98,666.10x = 8,366,377,149.59
  5. Step 5: Solve for x
    x = 8,366,377,149.59/98,666.10
  6. Step 6: Final answer
    x = 84,794.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.